Winter Vivern APT exploited zero-day in Roundcube webmail software in recent attacks
Russia-linked threat actor Winter Vivern has been observed exploiting a zero-day flaw in Roundcube webmail software.
Russian APT group Winter Vivern (aka TA473) has been observed exploiting a zero-day flaw in Roundcube webmail software on October 11, 2023.
ESET researchers …